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mgolin · 2 August 2019, 02:05 PM

I recently noticed one of my favorite watches was gaining 5 or 6 hours per day. I thought it to be so weird because I have never had a problem with this watch. It is a Rolex caliber 1520 movement. I took it a part, disassembled the whole thing and assembled it again. Everything looked ok, but still, the balance wheel is not moving the way it should. It is slower, by which I mean, less amplitude.

Movement should be 19800 but timegraph reads 19600.

The watch does not stop. There's nothing obstructing the balance wheel. There's no dirt. Pivots and clean and lubed. Everything seems to be ok. But it is not, the timegraph reading is crazy and I can't find the problem with it!

Maybe someone out there has had a similar problem and can give me some insights?? I've heard the watch can be magnetized. What else can it be?

2 August 2019, 02:05 PM	#1
mgolin "TRF" Member Join Date: May 2017 Location: Sao Paulo, Brazil Posts: 19	Sudden problem with 1520 movement I recently noticed one of my favorite watches was gaining 5 or 6 hours per day. I thought it to be so weird because I have never had a problem with this watch. It is a Rolex caliber 1520 movement. I took it a part, disassembled the whole thing and assembled it again. Everything looked ok, but still, the balance wheel is not moving the way it should. It is slower, by which I mean, less amplitude. Movement should be 19800 but timegraph reads 19600. The watch does not stop. There's nothing obstructing the balance wheel. There's no dirt. Pivots and clean and lubed. Everything seems to be ok. But it is not, the timegraph reading is crazy and I can't find the problem with it! Maybe someone out there has had a similar problem and can give me some insights?? I've heard the watch can be magnetized. What else can it be?

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